Find the mean, median, standard deviation and range of the data set below

x
160
170
180
110
190
120
150
100
130
140


Mean =  

Median =  

Standard Deviation =

Range =  



Now find the mean, median, standard deviation and range of the data set if we add 80 to all of the values.

Mean =  

Median =  

Standard Deviation =

Range =